Question

define soil pollution and it's causes

Answer 1

Soil contamination or soil pollution as part of land degradation is caused by the presence of xenobiotic (human-made) chemicals or other alteration in the natural soil environment. It is typically caused by industrial activity, agricultural chemicals, or improper disposal of waste.

Answer 2

The contamination of soil with harmful substances is known as Soil pollution

Causes of soil pollution are:-

Industrial waste and harmful gases and chemicals like pesticides, insecticide cause soil pollution
wastes from industries also cause soil pollution etc